Testing of the SmarterSpa compatible cell chlorine sensor

Lance Fitzsimmons aka "The Hot Tub Wizard"

July 23, 2025

Here are some pics of our chlorine sensor testing

Water sensors submerged in a tank. Hot tub with heating elements and cables submerged. Three Hot Tub Wizard controllers on display

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HotSpring ACE and FW Cartridge
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ChlorMaker · SmarterSpa · MegaChlor
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